Find domain of -x2-5x-6

The function is defined only if x^2 5x+6≥0 x^2 2x 3x+6≥ 0 (x 2)(x 3)≥0 x∈( ∞,2]∪[3,∞) ...

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Definition of Functions

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Question

find domain of $\sqrt{x^{2} - 5 x + 6}$

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\sqrt{x^{2} - 5 x + 6} + \sqrt{2 x + 8 - x^{2}}

\frac{x + 1}{\sqrt{x^{2} - 5 x + 6}}

f (x) = \sqrt{(5 x - 6 - x^{2}) [ln x]} + \sqrt{(7 x - 5 - 2 x^{2})} + {(ln (\frac{7}{2} - x))}^{- 1}

f (x) = \sqrt{x^{2} - 5 x + 6}

y = \sqrt{x^{2} - x - 20} + \frac{1}{\sqrt{x^{2} - 5 x - 14}} .

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